1991449768037213376
1,991,449,768,037,213,376 is an even composite number composed of five prime numbers multiplied together.
1991449768037213376 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty divisors.
Prime factorization of 1991449768037213376:
26 × 34 × 127 × 227 × 13325232191
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 127 × 227 × 13325232191)See below for interesting mathematical facts about the number 1991449768037213376 from the Numbermatics database.
Names of 1991449768037213376
- Cardinal: 1991449768037213376 can be written as One quintillion, nine hundred ninety-one quadrillion, four hundred forty-nine trillion, seven hundred sixty-eight billion, thirty-seven million, two hundred thirteen thousand, three hundred seventy-six.
Scientific notation
- Scientific notation: 1.991449768037213376 × 1018
Factors of 1991449768037213376
- Number of distinct prime factors ω(n): 5
- Total number of prime factors Ω(n): 13
- Sum of prime factors: 13325232550
Divisors of 1991449768037213376
- Number of divisors d(n): 280
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 127 144 162 192 216 227 254 288 324 381 432 454 508 576 648 681 762 864 908 1016 1143 1296 1362 1524 1728 1816 2032 2043 2286 2592 2724 3048 3429 3632 4064 4086 4572 5184 5448 6096 6129 6858 7264 8128 8172 9144 10287 10896 12192 12258 13716 14528 16344 18288 18387 20574 21792 24384 24516 27432 28829 32688 36576 36774 41148 43584 49032 54864 57658 65376 73152 73548 82296 86487 98064 109728 115316 130752 147096 164592 172974 196128 219456 230632 259461 294192 329184 345948 392256 461264 518922 588384 658368 691896 778383 922528 1037844 1176768 1383792 1556766 1845056 2075688 2335149 2767584 3113532 4151376 4670298 5535168 6227064 8302752 9340596 12454128 16605504 18681192 24908256 37362384 49816512 74724768 149449536 13325232191 26650464382 39975696573 53300928764 79951393146 106601857528 119927089719 159902786292 213203715056 239854179438 319805572584 359781269157 426407430112 479708358876 639611145168 719562538314 852814860224 959416717752 1079343807471 1279222290336 1439125076628 1692304488257 1918833435504 2158687614942 2558444580672 2878250153256 3024827707357 3384608976514 3837666871008 4317375229884 5076913464771 5756500306512 6049655414714 6769217953028 7675333742016 8634750459768 9074483122071 10153826929542 11513000613024 12099310829428 13538435906056 15230740394313 17269500919536 18148966244142 20307653859084 23026001226048 24198621658856 27076871812112 27223449366213 30461480788626 34539001839072 36297932488284 40615307718168 45692221182939 48397243317712 54153743624224 54446898732426 60922961577252 69078003678144 72595864976568 81230615436336 81670348098639 91384442365878 96794486635424 108307487248448 108893797464852 121845923154504 137076663548817 145191729953136 162461230872672 163340696197278 182768884731756 193588973270848 217787594929704 243691846309008 245011044295917 274153327097634 290383459906272 324922461745344 326681392394556 365537769463512 384153118834339 435575189859408 487383692618016 490022088591834 548306654195268 580766919812544 653362784789112 731075538927024 768306237668678 871150379718816 974767385236032 980044177183668 1096613308390536 1152459356503017 1306725569578224 1462151077854048 1536612475337356 1742300759437632 1960088354367336 2193226616781072 2304918713006034 2613451139156448 2924302155708096 3073224950674712 3457378069509051 3920176708734672 4386453233562144 4609837426012068 5226902278312896 6146449901349424 6914756139018102 7840353417469344 8772906467124288 9219674852024136 10372134208527153 12292899802698848 13829512278036204 15680706834938688 18439349704048272 20744268417054306 24585799605397696 27659024556072408 31116402625581459 36878699408096544 41488536834108612 55318049112144816 62232805251162918 73757398816193088 82977073668217224 110636098224289632 124465610502325836 165954147336434448 221272196448579264 248931221004651672 331908294672868896 497862442009303344 663816589345737792 995724884018606688 1991449768037213376
- Sum of all divisors σ(n): 5975973916868837376
- Sum of proper divisors (its aliquot sum) s(n): 3984524148831624000
- 1991449768037213376 is an abundant number, because the sum of its proper divisors (3984524148831624000) is greater than itself. Its abundance is 1993074380794410624
Bases of 1991449768037213376
- Binary: 11011101000110000110100000011010010111110010001100100110000002
- Hexadecimal: 0x1BA30D034BE464C0
- Base-36: F4OM0XNO2400
Squares and roots of 1991449768037213376
- 1991449768037213376 squared (19914497680372133762) is 3965872178615470962004778371353317376
- 1991449768037213376 cubed (19914497680372133763) is 7897835230169017701045909382849147265795407396360421376
-
The
square root of 1991449768037213376 is 1411187361.0676979755 -
The
cube root of 1991449768037213376 is 1258123.0490295023
Scales and comparisons
How big is 1991449768037213376?- 1,991,449,768,037,213,376 seconds is equal to 63,321,942,665 years, 8 hours, 9 minutes, 36 seconds.
-
To count from 1 to 1,991,449,768,037,213,376 would take you about two hundred twenty-one billion, six hundred twenty-six million, seven hundred ninety-nine thousand, three hundred twenty-seven years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 1991449768037213376 cubic inches would be around 104843.6 feet tall.
Recreational maths with 1991449768037213376
- 1991449768037213376 backwards is 6733127308679441991
- The number of decimal digits it has is: 19
- The sum of 1991449768037213376's digits is 90
- More coming soon!
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